check scam

I WAS STARTING TO GET EMAILS ON LOTTO WINNINGS ON MY YAHOO I IGNORED MOST OF THEM BUT ONE GRABBED MY ATTENTION A WOMEN WAS ASKING ME TO BE A BENIFICIARY OF ANOTHER WOMENS MONEY LEFT BEHIND IT WAS A FEW THOUSAND DOLLARS SO I ANSWERED THE EMAIL AND FINALLY I RECIEVED A CHECK IN THE MAIL I WAS EXCITED LIKE ANYONE ELSE WOULD HAVE BEEN SO I CASHED IT AT A STORE I ALWAYS CASH MY CHECKS AT I GOT THE MONEY AND NOW THE OWNER OF THE STORE HAS CONTACTED MY JOB TO GET AHOLD OF ME SAYING THE CASHIERS CHECK WAS NO GOOD NOW I DONT KNOW WHAT TO DO I THOUGHT SINCE IT WAS A CASHIERS CHECK THAT IT WAS LIGIT BUT IT WAS'NT NOW I AM IN THIS SITUATION WHEN ALL I DID WAS RECEIVE A CHECK. PLEASE HELP ME I STILL HAVE THE ENVELOPE IT CAME IN WITH THE NAME AND ADDRESS OF THE PERSON THAT SENT IT CAN THIS HELP ME? PLEASE HELP ME FIGURE OUT WHAT TO DO AND WHAT THE NEXT STEP IS.
THANKS,
NICK

File a police report asap.

You do have to pay the funds back.